EP 0490412 A3 19920902 - VALUABLE PAPER INCORPORATING A SECURITY THREAD, AND PROCESS FOR MAKING THE SAME
Title (en)
VALUABLE PAPER INCORPORATING A SECURITY THREAD, AND PROCESS FOR MAKING THE SAME
Publication
Application
Priority
- DE 3609090 A 19860318
- EP 87103855 A 19870317
Abstract (en)
[origin: EP0238043A2] The security thread is transparent and has on one side a printed image and on the opposite side, adapted to the printed image, a lens structure. Such threads change in appearance with the viewing angle. To produce the security threads, a transparent film embossed in the desired lens relief is guided over guide elements having a relief structure which is the opposite of that of the film to a printer with repeat matching repeat and is then divided into individual threads in a cutter. <IMAGE>
IPC 1-7
IPC 8 full level
B29C 59/04 (2006.01); B29D 7/00 (2006.01); B29D 11/00 (2006.01); B29D 99/00 (2010.01); B41F 13/02 (2006.01); B41F 19/02 (2006.01); B42D 15/00 (2006.01); B42D 25/355 (2014.01); B44B 5/00 (2006.01); B44F 1/10 (2006.01); B65H 23/00 (2006.01); B65H 35/02 (2006.01); D01D 5/42 (2006.01); D21H 21/42 (2006.01); D21H 21/48 (2006.01); G07D 7/12 (2016.01)
CPC (source: EP US)
B29C 59/04 (2013.01 - EP US); B29D 7/00 (2013.01 - EP US); B29D 11/00 (2013.01 - EP US); B29D 99/0078 (2013.01 - EP US); B41F 13/025 (2013.01 - EP US); B42D 25/324 (2014.10 - EP); B42D 25/351 (2014.10 - EP); B42D 25/355 (2014.10 - EP US); B44B 5/00 (2013.01 - EP US); B44B 5/009 (2013.01 - EP US); B44F 1/10 (2013.01 - EP US); D21H 21/48 (2013.01 - EP US); G07D 7/12 (2013.01 - EP US); B29L 2031/731 (2013.01 - EP US)
Citation (search report)
- [X] US 3241429 A 19660322 - RICE HAROLD D, et al
- [A] DE 1597641 A1 19700625 - SPINDLER WOLFGANG
- [A] DE 177280 C
- [A] DE 1921182 A1 19701112 - HOECHST AG
- [A] US 3666587 A 19720530 - NAGAO KAZUYOSHI
- [A] GB 1067514 A 19670503 - MIRSKY ALEXANDER
- [A] FR 2126500 A5 19721006 - MENGDEN GEORGES
- [A] DE 1436531 A1 19681128 - GOEBEL GMBH MASCHF
- [A] DE 3432712 A1 19860102 - DIDDE GRAPHIC SYSTEMS CORP [US]
- [A] PATENT ABSTRACTS OF JAPAN vol. 8, no. 73 (M-287)(1510) 5. April 1984 ( MATSUSHITA DENKI SANGYO K.K. ) & JP-A-58 219 055 (20-12-1983)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0238043 A2 19870923; EP 0238043 A3 19880914; EP 0238043 B1 19930224; AT E124377 T1 19950715; AT E85992 T1 19930315; DE 3609090 A1 19870924; DE 3751384 D1 19950803; DE 3784257 D1 19930401; EP 0490412 A2 19920617; EP 0490412 A3 19920902; EP 0490412 B1 19950628; ES 2037675 T3 19930701; US 4892336 A 19900109
DOCDB simple family (application)
EP 87103855 A 19870317; AT 87103855 T 19870317; AT 91121873 T 19870317; DE 3609090 A 19860318; DE 3751384 T 19870317; DE 3784257 T 19870317; EP 91121873 A 19870317; ES 87103855 T 19870317; US 2755287 A 19870318